What to do if 'UNSUPPORTED DEVICE' appears on my Kenwood DPX-5300BT Car Receiver?
- CCody MillerAug 7, 2025
If 'UNSUPPORTED DEVICE' is displayed, verify that the connected USB device is compatible with the unit and uses supported file systems. You can find information about supported formats on page 30. If the device is compatible, try reattaching the USB device.